binutils-gdb/gdb/sparc64-sol2-tdep.c
Andrew Cagney f561f02630 2004-03-23 Andrew Cagney <cagney@redhat.com>
* gdbarch.sh (PC_IN_SIGTRAMP): Change to a function with
	predicate, deprecate.
	* gdbarch.h, gdbarch.c: Re-generate.
	* alpha-linux-tdep.c (alpha_linux_init_abi): Update.
	* alpha-osf1-tdep.c (alpha_osf1_init_abi): Update.
	* alpha-tdep.c (alpha_sigtramp_frame_sniffer): Update.
	* alphafbsd-tdep.c (alphafbsd_init_abi): Update.
	* alphanbsd-tdep.c (alphanbsd_init_abi): Update.
	* amd64-linux-tdep.c (amd64_linux_init_abi): Update.
	* amd64-tdep.c (amd64_sigtramp_frame_sniffer): Update.
	* amd64nbsd-tdep.c (amd64nbsd_init_abi): Update.
	* amd64obsd-tdep.c (amd64obsd_init_abi): Update.
	* arm-tdep.c (arm_sigtramp_unwind_sniffer): Update.
	* blockframe.c (find_pc_partial_function): Update.
	* breakpoint.c (bpstat_what): Update.
	* frame.c (frame_type_from_pc, legacy_get_prev_frame): Update.
	* frv-linux-tdep.c (frv_linux_init_abi): Update.
	* frv-tdep.c (frv_sigtramp_frame_sniffer): Update.
	* hppa-hpux-tdep.c (hppa_hpux_init_abi): Update.
	* i386-interix-tdep.c (i386_interix_init_abi): Update.
	* i386-linux-tdep.c (i386_linux_init_abi): Update.
	* i386-nto-tdep.c (i386nto_init_abi): Update.
	* i386-sol2-tdep.c (i386_sol2_init_abi): Update.
	* i386-tdep.c (i386_sigtramp_frame_sniffer)
	(i386_svr4_init_abi, i386_go32_init_abi, i386_gdbarch_init): Update.
	* i386bsd-tdep.c (i386bsd_init_abi): Update.
	* i386nbsd-tdep.c (i386nbsd_init_abi): Update.
	* i386obsd-tdep.c (i386obsd_init_abi): Update.
	* ia64-tdep.c (ia64_sigtramp_frame_sniffer): Update.
	* infrun.c (pc_in_sigtramp): Update.
	* m68k-tdep.c (m68k_sigtramp_frame_sniffer): Update.
	* m68klinux-tdep.c (m68k_linux_init_abi): Update.
	* mips-tdep.c (mips_gdbarch_init): Update.
	* mipsnbsd-tdep.c (mipsnbsd_init_abi): Update.
	* ppc-linux-tdep.c: Update comment.
	* ppcnbsd-tdep.c (ppcnbsd_init_abi): Update.
	* shnbsd-tdep.c (shnbsd_init_abi): Update.
	* sparc-linux-tdep.c (sparc32_linux_init_abi): Update.
	* sparc-sol2-tdep.c (sparc32_sol2_init_abi): Update.
	* sparc64-sol2-tdep.c (sparc64_sol2_init_abi): Update.
	* sparc64fbsd-tdep.c (sparc64fbsd_init_abi): Update.
	* sparc64nbsd-tdep.c (sparc64nbsd_init_abi): Update.
	* sparc64obsd-tdep.c (sparc64obsd_init_abi): Update.
	* sparcnbsd-tdep.c (sparc32nbsd_init_abi): Update.
	* sparcobsd-tdep.c (sparc32obsd_init_abi): Update.

Index: doc/ChangeLog
2004-03-23  Andrew Cagney  <cagney@redhat.com>

	* gdbint.texinfo (Target Architecture Definition): Deprecate
	references to PC_IN_SIGTRAMP.
2004-03-23 14:48:00 +00:00

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/* Target-dependent code for Solaris UltraSPARC.
Copyright 2003, 2004 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "frame.h"
#include "frame-unwind.h"
#include "gdbarch.h"
#include "symtab.h"
#include "objfiles.h"
#include "osabi.h"
#include "trad-frame.h"
#include "gdb_assert.h"
#include "sparc64-tdep.h"
/* From <sys/regset.h>. */
const struct sparc_gregset sparc64_sol2_gregset =
{
32 * 8, /* "tstate" */
33 * 8, /* %pc */
34 * 8, /* %npc */
35 * 8, /* %y */
-1, /* %wim */
-1, /* %tbr */
1 * 8, /* %g1 */
16 * 8, /* %l0 */
8 /* sizeof (%y) */
};
static struct sparc_frame_cache *
sparc64_sol2_sigtramp_frame_cache (struct frame_info *next_frame,
void **this_cache)
{
struct sparc_frame_cache *cache;
CORE_ADDR mcontext_addr, addr;
int regnum;
if (*this_cache)
return *this_cache;
cache = sparc_frame_cache (next_frame, this_cache);
gdb_assert (cache == *this_cache);
cache->saved_regs = trad_frame_alloc_saved_regs (next_frame);
/* The third argument is a pointer to an instance of `ucontext_t',
which has a member `uc_mcontext' that contains the saved
registers. */
regnum = (cache->frameless_p ? SPARC_O2_REGNUM : SPARC_I2_REGNUM);
mcontext_addr = frame_unwind_register_unsigned (next_frame, regnum) + 64;
cache->saved_regs[SPARC64_CCR_REGNUM].addr = mcontext_addr + 0 * 8;
cache->saved_regs[SPARC64_PC_REGNUM].addr = mcontext_addr + 1 * 8;
cache->saved_regs[SPARC64_NPC_REGNUM].addr = mcontext_addr + 2 * 8;
cache->saved_regs[SPARC64_Y_REGNUM].addr = mcontext_addr + 3 * 8;
cache->saved_regs[SPARC64_ASI_REGNUM].addr = mcontext_addr + 19 * 8;
cache->saved_regs[SPARC64_FPRS_REGNUM].addr = mcontext_addr + 20 * 8;
/* Since %g0 is always zero, keep the identity encoding. */
for (regnum = SPARC_G1_REGNUM, addr = mcontext_addr + 4 * 8;
regnum <= SPARC_O7_REGNUM; regnum++, addr += 8)
cache->saved_regs[regnum].addr = addr;
if (get_frame_memory_unsigned (next_frame, mcontext_addr + 21 * 8, 8))
{
/* The register windows haven't been flushed. */
for (regnum = SPARC_L0_REGNUM; regnum <= SPARC_I7_REGNUM; regnum++)
trad_frame_set_unknown (cache->saved_regs, regnum);
}
else
{
CORE_ADDR sp;
addr = cache->saved_regs[SPARC_SP_REGNUM].addr;
sp = get_frame_memory_unsigned (next_frame, addr, 8);
for (regnum = SPARC_L0_REGNUM, addr = sp + BIAS;
regnum <= SPARC_I7_REGNUM; regnum++, addr += 8)
cache->saved_regs[regnum].addr = addr;
}
return cache;
}
static void
sparc64_sol2_sigtramp_frame_this_id (struct frame_info *next_frame,
void **this_cache,
struct frame_id *this_id)
{
struct sparc_frame_cache *cache =
sparc64_sol2_sigtramp_frame_cache (next_frame, this_cache);
(*this_id) = frame_id_build (cache->base, cache->pc);
}
static void
sparc64_sol2_sigtramp_frame_prev_register (struct frame_info *next_frame,
void **this_cache,
int regnum, int *optimizedp,
enum lval_type *lvalp,
CORE_ADDR *addrp,
int *realnump, void *valuep)
{
struct sparc_frame_cache *cache =
sparc64_sol2_sigtramp_frame_cache (next_frame, this_cache);
trad_frame_prev_register (next_frame, cache->saved_regs, regnum,
optimizedp, lvalp, addrp, realnump, valuep);
}
static const struct frame_unwind sparc64_sol2_sigtramp_frame_unwind =
{
SIGTRAMP_FRAME,
sparc64_sol2_sigtramp_frame_this_id,
sparc64_sol2_sigtramp_frame_prev_register
};
static const struct frame_unwind *
sparc64_sol2_sigtramp_frame_sniffer (struct frame_info *next_frame)
{
CORE_ADDR pc = frame_pc_unwind (next_frame);
char *name;
find_pc_partial_function (pc, &name, NULL, NULL);
if (sparc_sol2_pc_in_sigtramp (pc, name))
return &sparc64_sol2_sigtramp_frame_unwind;
return NULL;
}
void
sparc64_sol2_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
set_gdbarch_deprecated_pc_in_sigtramp (gdbarch, sparc_sol2_pc_in_sigtramp);
frame_unwind_append_sniffer (gdbarch, sparc64_sol2_sigtramp_frame_sniffer);
sparc64_init_abi (info, gdbarch);
/* Solaris has SVR4-style shared libraries... */
set_gdbarch_in_solib_call_trampoline (gdbarch, in_plt_section);
set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
/* ...which means that we need some special handling when doing
prologue analysis. */
tdep->plt_entry_size = 16;
/* Solaris has kernel-assisted single-stepping support. */
set_gdbarch_software_single_step (gdbarch, NULL);
}
/* Provide a prototype to silence -Wmissing-prototypes. */
void _initialize_sparc64_sol2_tdep (void);
void
_initialize_sparc64_sol2_tdep (void)
{
gdbarch_register_osabi (bfd_arch_sparc, bfd_mach_sparc_v9,
GDB_OSABI_SOLARIS, sparc64_sol2_init_abi);
}